Electronic instrument case



FIG. 1 is a right front perspective view of an electronic instrument case showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a right side elevational view, the left side being a mirror image thereof;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view; and

FIG. 6 is a bottom plan view. 

The ornamental design for an electronic instrument case, as shown and described. 